platform/southbound/http/http-android/src/main/java/org/eclipse/sensinact/gateway/sthbnd/http/android/IndexFilter.java

/*
* Copyright (c) 2020 Kentyou.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
*    Kentyou - initial API and implementation
 */
package org.eclipse.sensinact.gateway.sthbnd.http.android;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author Rémi Druilhe
 */
@WebFilter( urlPatterns= {"/android"}, asyncSupported=false)
public class IndexFilter implements Filter {
    private final String alias;

    IndexFilter(String alias) {
        this.alias = alias;
    }

    public void init(FilterConfig filterConfig) throws ServletException {
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        ((HttpServletResponse) response).sendRedirect(alias + "/index.html");
    }

    public void destroy() {
    }
}